139769633 has 2 divisors, whose sum is σ = 139769634. Its totient is φ = 139769632.

The previous prime is 139769611. The next prime is 139769653. The reversal of 139769633 is 336967931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110523169 + 29246464 = 10513^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 139769633 - 2¹⁰ = 139768609 is a prime.

It is not a weakly prime, because it can be changed into another prime (139769603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69884816 + 69884817.

It is an arithmetic number, because the mean of its divisors is an integer number (69884817).

Almost surely, 2^139769633 is an apocalyptic number.

It is an amenable number.

139769633 is a deficient number, since it is larger than the sum of its proper divisors (1).

139769633 is an equidigital number, since it uses as much as digits as its factorization.

139769633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 47.

The square root of 139769633 is about 11822.4207757971. The cubic root of 139769633 is about 518.9644492363.

The spelling of 139769633 in words is "one hundred thirty-nine million, seven hundred sixty-nine thousand, six hundred thirty-three".